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vue-flow/examples/EdgeWithButton/ButtonEdge.tsx
2021-10-20 22:39:54 +02:00

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import { computed, defineComponent, inject } from 'vue'
import { getBezierPath, getEdgeCenter, getMarkerEnd, RevueFlowStore } from '../../src'
import { DefaultEdgeProps } from '../../src/components/Edges/utils'
import { RevueFlowHooks } from '../../src/hooks/RevueFlowHooks'
export default defineComponent({
props: {
...DefaultEdgeProps
},
setup(props) {
const store = inject<RevueFlowStore>('store')!
const hooks = inject<RevueFlowHooks>('hooks')!
const onEdgeClick = (evt: Event, id: string) => {
const edge = store.edges.find((edge) => edge.id === id)
if (edge) {
hooks.elementsRemove.trigger([edge])
}
evt.stopPropagation()
alert(`remove ${id}`)
}
const foreignObjectSize = 40
const edgePath = computed(() =>
getBezierPath({
sourceX: props.sourceX,
sourceY: props.sourceY,
sourcePosition: props.sourcePosition,
targetX: props.targetX,
targetY: props.targetY,
targetPosition: props.targetPosition
})
)
const markerEnd = computed(() => getMarkerEnd(props.arrowHeadType, props.markerEndId))
const center = computed(() =>
getEdgeCenter({
sourceX: props.sourceX,
sourceY: props.sourceY,
targetX: props.targetX,
targetY: props.targetY
})
)
return () => (
<>
<path id={props.id} style={props.style} class="revue-flow__edge-path" d={edgePath.value} marker-end={markerEnd.value} />
<foreignObject
width={foreignObjectSize}
height={foreignObjectSize}
x={center.value[0] - foreignObjectSize / 2}
y={center.value[1] - foreignObjectSize / 2}
class="edgebutton-foreignobject"
requiredExtensions="http://www.w3.org/1999/xhtml"
>
<body>
<button class="edgebutton" onClick={(event) => onEdgeClick(event, props.id)}>
×
</button>
</body>
</foreignObject>
</>
)
}
})